Sau

☞ a ≔
Sau tshiab
• ‘aaa’
• ‘bbb’
• ‘ccc’.

☞ b ≔ Sau ← ‘x’ ; ‘y’.
✎ sau ntawv: a, tsum.
✎ sau ntawv: b, tsum.
Sau ← ‘aaa’ ; ‘bbb’ ; ‘ccc’
Sau ← ‘x’ ; ‘y’